{"id":135188,"date":"2025-07-01T15:00:00","date_gmt":"2025-07-01T08:00:00","guid":{"rendered":"https:\/\/phongvu.vn\/cong-nghe\/?p=135188"},"modified":"2025-06-30T10:44:37","modified_gmt":"2025-06-30T03:44:37","slug":"loi-err-connection-refused","status":"publish","type":"post","link":"https:\/\/phongvu.vn\/cong-nghe\/loi-err-connection-refused\/","title":{"rendered":"L\u1ed7i ERR_CONNECTION_REFUSED l\u00e0 g\u00ec? Nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c"},"content":{"rendered":"\n<p>B\u1ea1n \u0111ang l\u01b0\u1edbt web th\u00ec b\u1ed7ng g\u1eb7p th\u00f4ng b\u00e1o\u00a0l\u1ed7i ERR_CONNECTION_REFUSED, khi\u1ebfn tr\u00ecnh duy\u1ec7t kh\u00f4ng th\u1ec3 truy c\u1eadp trang web? \u0110\u1eebng lo, \u0111\u00e2y l\u00e0 m\u1ed9t l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u01b0ng c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c d\u1ec5 d\u00e0ng n\u1ebfu b\u1ea1n hi\u1ec3u r\u00f5 nguy\u00ean nh\u00e2n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 l\u1ed7i n\u00e0y v\u00e0 c\u00e1ch x\u1eed l\u00fd nhanh ch\u00f3ng \u0111\u1ec3 b\u1ea1n quay l\u1ea1i k\u1ebft n\u1ed1i m\u01b0\u1ee3t m\u00e0. C\u00f9ng <a href=\"https:\/\/phongvu.vn\/cong-nghe\" target=\"_blank\" rel=\"noreferrer noopener\">Phong V\u0169 Tech News<\/a> kh\u00e1m ph\u00e1 c\u00e1ch gi\u1ea3i quy\u1ebft\u00a0l\u1ed7i ERR_CONNECTION_REFUSED\u00a0ngay nh\u00e9!<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused1.jpg\" alt=\"\u0110ang l\u01b0\u1edbt web th\u00ec g\u1eb7p th\u00f4ng b\u00e1o\u00a0l\u1ed7i ERR_CONNECTION_REFUSED? \u0110\u1eebng lo, \u0111\u00e2y l\u00e0 m\u1ed9t l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u01b0ng c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c\" class=\"wp-image-135195\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused1.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused1-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused1-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused1-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused1-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused1-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused1-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused1-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused1-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused1-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">\u0110ang l\u01b0\u1edbt web th\u00ec g\u1eb7p th\u00f4ng b\u00e1o&nbsp;l\u1ed7i ERR_CONNECTION_REFUSED? \u0110\u1eebng lo, \u0111\u00e2y l\u00e0 m\u1ed9t l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u01b0ng c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_55 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6a1acca576525\" ><span class=\"\"><span style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input aria-label=\"Toggle\" aria-label=\"item-6a1acca576525\"  type=\"checkbox\" id=\"item-6a1acca576525\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-err-connection-refused\/#I_Loi_ERR_CONNECTION_REFUSED_la_gi\" title=\"I. L\u1ed7i ERR_CONNECTION_REFUSED l\u00e0 g\u00ec?\">I. L\u1ed7i ERR_CONNECTION_REFUSED l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-err-connection-refused\/#II_Nguyen_nhan_gay_ra_loi_ERR_CONNECTION_REFUSED\" title=\"II. Nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i ERR_CONNECTION_REFUSED\">II. Nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i ERR_CONNECTION_REFUSED<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-err-connection-refused\/#III_Cach_khac_phuc_loi_ERR_CONNECTION_REFUSED\" title=\"III. C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i ERR_CONNECTION_REFUSED\">III. C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i ERR_CONNECTION_REFUSED<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-err-connection-refused\/#1_Kiem_tra_trang_thai_trang_web\" title=\"1. Ki\u1ec3m tra tr\u1ea1ng th\u00e1i trang web\">1. Ki\u1ec3m tra tr\u1ea1ng th\u00e1i trang web<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-err-connection-refused\/#2_Xoa_bo_nho_cache_trinh_duyet\" title=\"2. X\u00f3a b\u1ed9 nh\u1edb cache tr\u00ecnh duy\u1ec7t\">2. X\u00f3a b\u1ed9 nh\u1edb cache tr\u00ecnh duy\u1ec7t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-err-connection-refused\/#3_Kiem_tra_tuong_lua_va_phan_mem_bao_mat\" title=\"3. Ki\u1ec3m tra t\u01b0\u1eddng l\u1eeda v\u00e0 ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt\">3. Ki\u1ec3m tra t\u01b0\u1eddng l\u1eeda v\u00e0 ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-err-connection-refused\/#4_Dat_lai_cau_hinh_mang\" title=\"4. \u0110\u1eb7t l\u1ea1i c\u1ea5u h\u00ecnh m\u1ea1ng\">4. \u0110\u1eb7t l\u1ea1i c\u1ea5u h\u00ecnh m\u1ea1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-err-connection-refused\/#5_Kiem_tra_proxy_va_VPN\" title=\"5. Ki\u1ec3m tra proxy v\u00e0 VPN\">5. Ki\u1ec3m tra proxy v\u00e0 VPN<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-err-connection-refused\/#6_Kiem_tra_phan_mem_may_chu_neu_dung_localhost\" title=\"6. Ki\u1ec3m tra ph\u1ea7n m\u1ec1m m\u00e1y ch\u1ee7 (n\u1ebfu d\u00f9ng localhost)\">6. Ki\u1ec3m tra ph\u1ea7n m\u1ec1m m\u00e1y ch\u1ee7 (n\u1ebfu d\u00f9ng localhost)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-err-connection-refused\/#7_Cap_nhat_trinh_duyet_va_he_dieu_hanh\" title=\"7. C\u1eadp nh\u1eadt tr\u00ecnh duy\u1ec7t v\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh\">7. C\u1eadp nh\u1eadt tr\u00ecnh duy\u1ec7t v\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-err-connection-refused\/#8_Tat_moi_tien_ich_mo_rong_Chrome_da_loi_thoi\" title=\"8. T\u1eaft m\u1ecdi ti\u1ec7n \u00edch m\u1edf r\u1ed9ng Chrome \u0111\u00e3 l\u1ed7i th\u1eddi\">8. T\u1eaft m\u1ecdi ti\u1ec7n \u00edch m\u1edf r\u1ed9ng Chrome \u0111\u00e3 l\u1ed7i th\u1eddi<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-err-connection-refused\/#IV_Meo_han_che_gap_loi_ERR_CONNECTION_REFUSED\" title=\"IV. M\u1eb9o h\u1ea1n ch\u1ebf g\u1eb7p l\u1ed7i ERR_CONNECTION_REFUSED\">IV. M\u1eb9o h\u1ea1n ch\u1ebf g\u1eb7p l\u1ed7i ERR_CONNECTION_REFUSED<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-err-connection-refused\/#V_Tong_ket\" title=\"V. T\u1ed5ng k\u1ebft\">V. T\u1ed5ng k\u1ebft<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"I_Loi_ERR_CONNECTION_REFUSED_la_gi\"><\/span><strong>I. L\u1ed7i ERR_CONNECTION_REFUSED l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>L\u1ed7i&nbsp;ERR_CONNECTION_REFUSED&nbsp;xu\u1ea5t hi\u1ec7n khi tr\u00ecnh duy\u1ec7t (nh\u01b0 Chrome, Firefox, Edge) kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 c\u1ee7a trang web b\u1ea1n mu\u1ed1n truy c\u1eadp. Th\u00f4ng b\u00e1o n\u00e0y th\u01b0\u1eddng \u0111i k\u00e8m d\u00f2ng ch\u1eef \u201cThis site can\u2019t be reached\u201d ho\u1eb7c \u201cK\u1ebft n\u1ed1i b\u1ecb t\u1eeb ch\u1ed1i\u201d tr\u00ean tr\u00ecnh duy\u1ec7t. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 m\u00e1y ch\u1ee7 c\u1ee7a trang web \u0111\u00e3 t\u1eeb ch\u1ed1i y\u00eau c\u1ea7u k\u1ebft n\u1ed1i t\u1eeb thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n, khi\u1ebfn b\u1ea1n kh\u00f4ng th\u1ec3 t\u1ea3i \u0111\u01b0\u1ee3c n\u1ed9i dung.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused7.jpg\" alt=\"L\u1ed7i\u00a0ERR_CONNECTION_REFUSED\u00a0xu\u1ea5t hi\u1ec7n khi tr\u00ecnh duy\u1ec7t kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 c\u1ee7a trang web b\u1ea1n mu\u1ed1n truy c\u1eadp\" class=\"wp-image-136659\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused7.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused7-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused7-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused7-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused7-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused7-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused7-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused7-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused7-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused7-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">L\u1ed7i&nbsp;ERR_CONNECTION_REFUSED&nbsp;xu\u1ea5t hi\u1ec7n khi tr\u00ecnh duy\u1ec7t kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 c\u1ee7a trang web b\u1ea1n mu\u1ed1n truy c\u1eadp (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<p>L\u1ed7i n\u00e0y th\u01b0\u1eddng g\u1eb7p khi truy c\u1eadp c\u00e1c trang web c\u1ee5 th\u1ec3 nh\u01b0 trang qu\u1ea3n tr\u1ecb WordPress, d\u1ecbch v\u1ee5 email ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng web n\u1ed9i b\u1ed9. Kh\u00f4ng gi\u1ed1ng l\u1ed7i 404 (kh\u00f4ng t\u00ecm th\u1ea5y trang) hay 500 (l\u1ed7i m\u00e1y ch\u1ee7), ERR_CONNECTION_REFUSED li\u00ean quan \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i m\u1ea1ng ho\u1eb7c c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7, c\u00f3 th\u1ec3 xu\u1ea5t ph\u00e1t t\u1eeb ph\u00eda ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c ph\u00eda trang web.<\/p>\n\n\n\n<p><strong>Xem th\u00eam:<\/strong> <a href=\"https:\/\/phongvu.vn\/cong-nghe\/runtime-error-la-loi-gi-nguyen-nhan-cach-khac-phuc\/\">Runtime Error l\u00e0 l\u1ed7i g\u00ec? Nguy\u00ean nh\u00e2n, c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i Runtime Error hi\u1ec7u qu\u1ea3<\/a><\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"II_Nguyen_nhan_gay_ra_loi_ERR_CONNECTION_REFUSED\"><\/span><strong>II. Nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i ERR_CONNECTION_REFUSED<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Nguy\u00ean nh\u00e2n g\u00e2y ra&nbsp;l\u1ed7i ERR_CONNECTION_REFUSED&nbsp;th\u01b0\u1eddng b\u1eaft ngu\u1ed3n t\u1eeb c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn k\u1ebft n\u1ed1i m\u1ea1ng ho\u1eb7c c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng. M\u1ed9t trong nh\u1eefng l\u00fd do ph\u1ed5 bi\u1ebfn l\u00e0 m\u00e1y ch\u1ee7 c\u1ee7a trang web kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, c\u00f3 th\u1ec3 do \u0111ang b\u1ea3o tr\u00ec, g\u1eb7p s\u1ef1 c\u1ed1 k\u1ef9 thu\u1eadt ho\u1eb7c b\u1ecb t\u1eaft. Ngo\u00e0i ra, t\u01b0\u1eddng l\u1eeda v\u00e0 ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt tr\u00ean m\u00e1y t\u00ednh ho\u1eb7c m\u1ea1ng c\u0169ng c\u00f3 th\u1ec3 ch\u1eb7n c\u00e1c c\u1ed5ng c\u1ea7n thi\u1ebft nh\u01b0 80 (HTTP) ho\u1eb7c 443 (HTTPS), khi\u1ebfn tr\u00ecnh duy\u1ec7t kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i. C\u00e0i \u0111\u1eb7t proxy, VPN sai, ho\u1eb7c DNS l\u1ed7i th\u1eddi c\u0169ng g\u00f3p ph\u1ea7n l\u00e0m gi\u00e1n \u0111o\u1ea1n k\u1ebft n\u1ed1i.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused2.jpg\" alt=\"T\u01b0\u1eddng l\u1eeda v\u00e0 ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt tr\u00ean m\u00e1y t\u00ednh ho\u1eb7c m\u1ea1ng c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn tr\u00ecnh duy\u1ec7t kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i\" class=\"wp-image-135194\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused2.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused2-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused2-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused2-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused2-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused2-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused2-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused2-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused2-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused2-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">T\u01b0\u1eddng l\u1eeda v\u00e0 ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt tr\u00ean m\u00e1y t\u00ednh ho\u1eb7c m\u1ea1ng c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn tr\u00ecnh duy\u1ec7t kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<p>C\u00e1c v\u1ea5n \u0111\u1ec1 t\u1eeb ph\u00eda ng\u01b0\u1eddi d\u00f9ng nh\u01b0 tr\u00ecnh duy\u1ec7t l\u1ed7i th\u1eddi, b\u1ed9 nh\u1edb cache qu\u00e1 t\u1ea3i ho\u1eb7c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng g\u00e2y xung \u0111\u1ed9t c\u0169ng l\u00e0 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn. V\u1edbi c\u00e1c trang web t\u1ef1 host tr\u00ean localhost, ph\u1ea7n m\u1ec1m m\u00e1y ch\u1ee7 nh\u01b0 Apache ho\u1eb7c Nginx kh\u00f4ng ch\u1ea1y, c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ed7i. Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y khi\u1ebfn vi\u1ec7c truy c\u1eadp web tr\u1edf n\u00ean kh\u00f3 kh\u0103n nh\u01b0ng \u0111\u1ec1u c\u00f3 c\u00e1ch kh\u1eafc ph\u1ee5c. Ngay d\u01b0\u1edbi \u0111\u00e2y, h\u00e3y c\u00f9ng Phong V\u0169 Tech New t\u00ecm hi\u1ec3u c\u00e1c c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i ERR_CONNECTION_REFUSED ngay nh\u00e9!<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"III_Cach_khac_phuc_loi_ERR_CONNECTION_REFUSED\"><\/span><strong>III. C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i ERR_CONNECTION_REFUSED<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u1ec3 x\u1eed l\u00fd&nbsp;l\u1ed7i ERR_CONNECTION_REFUSED, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed c\u00e1c ph\u01b0\u01a1ng ph\u00e1p sau:<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"1_Kiem_tra_trang_thai_trang_web\"><\/span><strong>1. Ki\u1ec3m tra tr\u1ea1ng th\u00e1i trang web<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Tr\u01b0\u1edbc ti\u00ean, x\u00e1c \u0111\u1ecbnh xem l\u1ed7i c\u00f3 ph\u1ea3i t\u1eeb ph\u00eda m\u00e1y ch\u1ee7 hay kh\u00f4ng. Truy c\u1eadp trang web tr\u00ean thi\u1ebft b\u1ecb kh\u00e1c ho\u1eb7c d\u00f9ng c\u00f4ng c\u1ee5 nh\u01b0 DownDetector \u0111\u1ec3 ki\u1ec3m tra tr\u1ea1ng th\u00e1i trang web. N\u1ebfu m\u00e1y ch\u1ee7 \u0111ang b\u1ea3o tr\u00ec ho\u1eb7c g\u1eb7p s\u1ef1 c\u1ed1, b\u1ea1n ch\u1ec9 c\u1ea7n ch\u1edd nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 kh\u1eafc ph\u1ee5c.<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"2_Xoa_bo_nho_cache_trinh_duyet\"><\/span><strong>2. X\u00f3a b\u1ed9 nh\u1edb cache tr\u00ecnh duy\u1ec7t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Tr\u00ean Chrome, v\u00e0o\u00a0<strong>C\u00e0i \u0111\u1eb7t &gt; Quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 b\u1ea3o m\u1eadt &gt; X\u00f3a d\u1eef li\u1ec7u duy\u1ec7t web<\/strong>, ch\u1ecdn \u201cH\u00ecnh \u1ea3nh v\u00e0 t\u1ec7p \u0111\u01b0\u1ee3c l\u01b0u trong b\u1ed9 nh\u1edb cache\u201d v\u00e0 x\u00f3a. Sau \u0111\u00f3, th\u1eed t\u1ea3i l\u1ea1i trang web. B\u1ea1n c\u0169ng n\u00ean th\u1eed ch\u1ebf \u0111\u1ed9 \u1ea9n danh (Ctrl+Shift+N).<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused3.jpg\" alt=\"B\u1ed9 nh\u1edb cache tr\u00ecnh duy\u1ec7t l\u1ed7i th\u1eddi c\u00f3 th\u1ec3 g\u00e2y xung \u0111\u1ed9t. C\u00f3 th\u1ec3 xo\u00e1 cookie v\u00e0 th\u1eed l\u1ea1i.\" class=\"wp-image-135193\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused3.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused3-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused3-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused3-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused3-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused3-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused3-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused3-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused3-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused3-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">B\u1ed9 nh\u1edb cache tr\u00ecnh duy\u1ec7t l\u1ed7i th\u1eddi c\u00f3 th\u1ec3 g\u00e2y xung \u0111\u1ed9t. C\u00f3 th\u1ec3 xo\u00e1 cookie v\u00e0 th\u1eed l\u1ea1i (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"3_Kiem_tra_tuong_lua_va_phan_mem_bao_mat\"><\/span><strong>3. Ki\u1ec3m tra t\u01b0\u1eddng l\u1eeda v\u00e0 ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>T\u1ea1m th\u1eddi t\u1eaft t\u01b0\u1eddng l\u1eeda b\u1eb1ng c\u00e1ch v\u00e0o&nbsp;<strong>B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n &gt; H\u1ec7 th\u1ed1ng v\u00e0 b\u1ea3o m\u1eadt &gt; T\u01b0\u1eddng l\u1eeda c\u1ee7a Windows Defender &gt; T\u1eaft<\/strong>. N\u1ebfu trang web ho\u1ea1t \u0111\u1ed9ng, th\u00eam n\u00f3 v\u00e0o danh s\u00e1ch ngo\u1ea1i l\u1ec7 trong c\u00e0i \u0111\u1eb7t t\u01b0\u1eddng l\u1eeda. Ki\u1ec3m tra ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt kh\u00e1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng ch\u1eb7n c\u1ed5ng 80 (HTTP) ho\u1eb7c 443 (HTTPS).<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused8.jpg\" alt=\"T\u1ea1m th\u1eddi t\u1eaft t\u01b0\u1eddng l\u1eeda b\u1eb1ng c\u00e1ch v\u00e0o\u00a0T\u1eaft t\u01b0\u1eddng l\u1eeda c\u1ee7a Windows Defender\" class=\"wp-image-136660\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused8.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused8-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused8-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused8-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused8-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused8-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused8-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused8-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused8-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused8-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">T\u1ea1m th\u1eddi t\u1eaft t\u01b0\u1eddng l\u1eeda b\u1eb1ng c\u00e1ch v\u00e0o&nbsp;T\u1eaft t\u01b0\u1eddng l\u1eeda c\u1ee7a Windows Defender (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"4_Dat_lai_cau_hinh_mang\"><\/span><strong>4. \u0110\u1eb7t l\u1ea1i c\u1ea5u h\u00ecnh m\u1ea1ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>M\u1edf Command Prompt (Windows) ho\u1eb7c Terminal (Mac) v\u1edbi quy\u1ec1n admin v\u00e0 ch\u1ea1y c\u00e1c l\u1ec7nh sau:<\/p>\n\n\n\n<ul>\n<li>ipconfig \/flushdns&nbsp;(x\u00f3a cache DNS)<\/li>\n\n\n\n<li>netsh int ip reset&nbsp;(\u0111\u1eb7t l\u1ea1i IP)<\/li>\n\n\n\n<li>netsh winsock reset&nbsp;(\u0111\u1eb7t l\u1ea1i Winsock)<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused9.jpg\" alt=\"M\u1edf Command Prompt (Windows) ho\u1eb7c Terminal (Mac) v\u1edbi quy\u1ec1n admin v\u00e0 ch\u1ea1y c\u00e1c l\u1ec7nh \u0111\u1eb7t l\u1ea1i c\u1ea5u h\u00ecnh m\u1ea1ng\" class=\"wp-image-136661\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused9.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused9-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused9-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused9-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused9-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused9-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused9-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused9-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused9-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused9-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\"><em>M\u1edf Command Prompt (Windows) ho\u1eb7c Terminal (Mac) v\u1edbi quy\u1ec1n admin v\u00e0 ch\u1ea1y c\u00e1c l\u1ec7nh \u0111\u1eb7t l\u1ea1i c\u1ea5u h\u00ecnh m\u1ea1ng (Ngu\u1ed3n: Internet)<\/em><\/figcaption><\/figure>\n\n\n\n<p>Sau \u0111\u00f3, kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y t\u00ednh v\u00e0 th\u1eed truy c\u1eadp trang web. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 \u0111\u1ed5i DNS sang Google (8.8.8.8 v\u00e0 8.8.4.4) ho\u1eb7c Cloudflare (1.1.1.1) trong c\u00e0i \u0111\u1eb7t m\u1ea1ng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused4.jpg\" alt=\"C\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t l\u1ea1i m\u1ea1ng. Sau \u0111\u00f3, kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y t\u00ednh v\u00e0 th\u1eed truy c\u1eadp trang web\" class=\"wp-image-135198\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused4.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused4-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused4-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused4-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused4-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused4-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused4-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused4-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused4-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused4-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">C\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t l\u1ea1i m\u1ea1ng. Sau \u0111\u00f3, kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y t\u00ednh v\u00e0 th\u1eed truy c\u1eadp trang web (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"5_Kiem_tra_proxy_va_VPN\"><\/span><strong>5. Ki\u1ec3m tra proxy v\u00e0 VPN<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>N\u1ebfu b\u1ea1n g\u1eb7p l\u1ed7i ERR_CONNECTION_REFUSED, h\u00e3y ki\u1ec3m tra c\u00e0i \u0111\u1eb7t proxy ho\u1eb7c VPN.<\/p>\n\n\n\n<ul>\n<li><strong>Ki\u1ec3m tra proxy<\/strong>: Tr\u00ean Windows, v\u00e0o&nbsp;<strong>C\u00e0i \u0111\u1eb7t<\/strong>&nbsp;&gt;&nbsp;<strong>M\u1ea1ng v\u00e0 Internet<\/strong>&nbsp;&gt;&nbsp;<strong>Proxy<\/strong>, sau \u0111\u00f3 t\u1eaft t\u00f9y ch\u1ecdn \u201cS\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy\u201d. Th\u1eed truy c\u1eadp l\u1ea1i trang web \u0111\u1ec3 ki\u1ec3m tra.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused10.jpg\" alt=\"Tr\u00ean Windows, v\u00e0o\u00a0C\u00e0i \u0111\u1eb7t\u00a0&gt;\u00a0M\u1ea1ng v\u00e0 Internet\u00a0&gt;\u00a0Proxy \u0111\u1ec3 t\u1eaft m\u00e1y ch\u1ee7 Proxy \" class=\"wp-image-136662\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused10.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused10-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused10-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused10-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused10-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused10-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused10-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused10-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused10-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused10-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Tr\u00ean Windows, v\u00e0o&nbsp;C\u00e0i \u0111\u1eb7t&nbsp;&gt;&nbsp;M\u1ea1ng v\u00e0 Internet&nbsp;&gt;&nbsp;Proxy \u0111\u1ec3 t\u1eaft m\u00e1y ch\u1ee7 Proxy (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<ul>\n<li><strong>Ki\u1ec3m tra VPN<\/strong>: N\u1ebfu \u0111ang d\u00f9ng VPN (nh\u01b0 NordVPN, ExpressVPN), h\u00e3y ng\u1eaft k\u1ebft n\u1ed1i trong \u1ee9ng d\u1ee5ng VPN v\u00e0 th\u1eed l\u1ea1i.<\/li>\n<\/ul>\n\n\n\n<p>N\u1ebfu l\u1ed7i \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n c\u1ea5u h\u00ecnh l\u1ea1i proxy\/VPN ho\u1eb7c li\u00ean h\u1ec7 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"6_Kiem_tra_phan_mem_may_chu_neu_dung_localhost\"><\/span><strong>6. Ki\u1ec3m tra ph\u1ea7n m\u1ec1m m\u00e1y ch\u1ee7 (n\u1ebfu d\u00f9ng localhost)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>N\u1ebfu b\u1ea1n g\u1eb7p l\u1ed7i khi truy c\u1eadp localhost (nh\u01b0 127.0.0.1), h\u00e3y ki\u1ec3m tra xem ph\u1ea7n m\u1ec1m m\u00e1y ch\u1ee7 nh\u01b0 Apache, Nginx hay XAMPP \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1eadt ch\u01b0a. M\u1edf XAMPP Control Panel v\u00e0 kh\u1edfi \u0111\u1ed9ng Apache\/MySQL. \u0110\u1ea3m b\u1ea3o c\u1ed5ng 80 ho\u1eb7c 443 kh\u00f4ng b\u1ecb ph\u1ea7n m\u1ec1m kh\u00e1c (nh\u01b0 Skype) chi\u1ebfm d\u1ee5ng. B\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra c\u1ed5ng b\u1eb1ng l\u1ec7nh&nbsp;netstat -aon trong Command Prompt.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused11.jpg\" alt=\"M\u1edf XAMPP Control Panel v\u00e0 kh\u1edfi \u0111\u1ed9ng Apache\/MySQL\" class=\"wp-image-136663\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused11.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused11-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused11-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused11-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused11-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused11-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused11-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused11-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused11-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused11-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">M\u1edf XAMPP Control Panel v\u00e0 kh\u1edfi \u0111\u1ed9ng Apache\/MySQL (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"7_Cap_nhat_trinh_duyet_va_he_dieu_hanh\"><\/span><strong>7. C\u1eadp nh\u1eadt tr\u00ecnh duy\u1ec7t v\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>C\u1eadp nh\u1eadt Chrome\/Firefox\/Edge qua menu&nbsp;<strong>C\u00e0i \u0111\u1eb7t &gt; Gi\u1edbi thi\u1ec7u<\/strong>. Tr\u00ean Windows, v\u00e0o&nbsp;<strong>C\u00e0i \u0111\u1eb7t &gt; C\u1eadp nh\u1eadt &amp; B\u1ea3o m\u1eadt &gt; Windows Update<\/strong>&nbsp;\u0111\u1ec3 ki\u1ec3m tra b\u1ea3n v\u00e1 m\u1edbi. Kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y sau khi c\u1eadp nh\u1eadt.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused12.jpg\" alt=\"C\u1eadp nh\u1eadt Chrome\/Firefox\/Edge qua menu\u00a0C\u00e0i \u0111\u1eb7t &gt; Gi\u1edbi thi\u1ec7u\" class=\"wp-image-136664\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused12.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused12-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused12-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused12-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused12-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused12-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused12-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused12-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused12-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused12-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">C\u1eadp nh\u1eadt Chrome\/Firefox\/Edge qua menu&nbsp;C\u00e0i \u0111\u1eb7t &gt; Gi\u1edbi thi\u1ec7u (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<p><strong>Xem th\u00eam:<\/strong> <a href=\"https:\/\/phongvu.vn\/cong-nghe\/huong-dan-update-windows-11-tai-nha-2025\/\" target=\"_blank\" rel=\"noreferrer noopener\">H\u01b0\u1edbng d\u1eabn update Windows 11 t\u1ea1i nh\u00e0 an to\u00e0n m\u1edbi nh\u1ea5t 2025<\/a><\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"8_Tat_moi_tien_ich_mo_rong_Chrome_da_loi_thoi\"><\/span><strong>8. T\u1eaft m\u1ecdi ti\u1ec7n \u00edch m\u1edf r\u1ed9ng Chrome \u0111\u00e3 l\u1ed7i th\u1eddi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>M\u1ed9t s\u1ed1 ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (extension) tr\u00ean Chrome c\u00f3 th\u1ec3 g\u00e2y xung \u0111\u1ed9t, d\u1eabn \u0111\u1ebfn l\u1ed7i k\u1ebft n\u1ed1i nh\u01b0 ERR_CONNECTION_REFUSED. \u0110\u1ec3 kh\u1eafc ph\u1ee5c, h\u00e3y ki\u1ec3m tra v\u00e0 r\u00e0 so\u00e1t t\u1ea5t c\u1ea3 extension \u0111\u00e3 c\u00e0i \u0111\u1eb7t. N\u1ebfu ph\u00e1t hi\u1ec7n ti\u1ec7n \u00edch l\u1ed7i ho\u1eb7c kh\u00f4ng c\u00f2n c\u1eadp nh\u1eadt, b\u1ea1n n\u00ean g\u1ee1 b\u1ecf ngay. C\u00e1ch th\u1ef1c hi\u1ec7n \u0111\u01a1n gi\u1ea3n: Nh\u1ea5p v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng ba ch\u1ea5m \u1edf g\u00f3c tr\u00ean b\u00ean ph\u1ea3i c\u1ee7a Chrome, ch\u1ecdn<strong> More tools<\/strong> &gt; <strong>Extensions<\/strong>, t\u00ecm extension c\u00f3 v\u1ea5n \u0111\u1ec1 v\u00e0 nh\u1ea5n Remove \u0111\u1ec3 g\u1ee1.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused13.jpg\" alt=\"M\u1ed9t s\u1ed1 ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (extension) tr\u00ean Chrome c\u00f3 th\u1ec3 g\u00e2y xung \u0111\u1ed9t\" class=\"wp-image-136665\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused13.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused13-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused13-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused13-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused13-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused13-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused13-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused13-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused13-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused13-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">M\u1ed9t s\u1ed1 ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (extension) tr\u00ean Chrome c\u00f3 th\u1ec3 g\u00e2y xung \u0111\u1ed9t (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"IV_Meo_han_che_gap_loi_ERR_CONNECTION_REFUSED\"><\/span><strong>IV. M\u1eb9o h\u1ea1n ch\u1ebf g\u1eb7p l\u1ed7i ERR_CONNECTION_REFUSED<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u1ec3 tr\u00e1nh&nbsp;l\u1ed7i ERR_CONNECTION_REFUSED&nbsp;trong t\u01b0\u01a1ng lai, b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00e1c m\u1eb9o sau:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused6.jpg\" alt=\"\u0110\u1ea3m b\u1ea3o router ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, kh\u1edfi \u0111\u1ed9ng l\u1ea1i modem\/router m\u1ed7i th\u00e1ng \u0111\u1ec3 l\u00e0m m\u1edbi k\u1ebft n\u1ed1i\" class=\"wp-image-135191\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused6.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused6-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused6-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused6-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused6-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused6-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused6-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused6-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused6-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/06\/loi-err-connection-refused6-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">\u0110\u1ea3m b\u1ea3o router ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, kh\u1edfi \u0111\u1ed9ng l\u1ea1i modem\/router m\u1ed7i th\u00e1ng \u0111\u1ec3 l\u00e0m m\u1edbi k\u1ebft n\u1ed1i (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<ul>\n<li><strong>Ki\u1ec3m tra k\u1ebft n\u1ed1i m\u1ea1ng th\u01b0\u1eddng xuy\u00ean<\/strong>: \u0110\u1ea3m b\u1ea3o router ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, kh\u1edfi \u0111\u1ed9ng l\u1ea1i modem\/router m\u1ed7i th\u00e1ng \u0111\u1ec3 l\u00e0m m\u1edbi k\u1ebft n\u1ed1i.<\/li>\n\n\n\n<li><strong>C\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m \u0111\u1ecbnh k\u1ef3<\/strong>: Gi\u1eef tr\u00ecnh duy\u1ec7t, h\u1ec7 \u0111i\u1ec1u h\u00e0nh, v\u00e0 ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt \u1edf phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t \u0111\u1ec3 tr\u00e1nh l\u1ed7i t\u01b0\u01a1ng th\u00edch.<\/li>\n\n\n\n<li><strong>S\u1eed d\u1ee5ng DNS \u0111\u00e1ng tin c\u1eady<\/strong>: Chuy\u1ec3n sang DNS c\u00f4ng c\u1ed9ng nh\u01b0 Google (8.8.8.8) ho\u1eb7c Cloudflare (1.1.1.1) \u0111\u1ec3 k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/li>\n\n\n\n<li><strong>Qu\u1ea3n l\u00fd ti\u1ec7n \u00edch m\u1edf r\u1ed9ng<\/strong>: T\u1eaft ho\u1eb7c g\u1ee1 c\u00e1c ti\u1ec7n \u00edch kh\u00f4ng c\u1ea7n thi\u1ebft tr\u00ean tr\u00ecnh duy\u1ec7t \u0111\u1ec3 tr\u00e1nh xung \u0111\u1ed9t.<\/li>\n\n\n\n<li><strong>C\u1ea5u h\u00ecnh t\u01b0\u1eddng l\u1eeda h\u1ee3p l\u00fd<\/strong>: Th\u00eam c\u00e1c trang web \u0111\u00e1ng tin c\u1eady v\u00e0o danh s\u00e1ch ngo\u1ea1i l\u1ec7 \u0111\u1ec3 tr\u00e1nh b\u1ecb ch\u1eb7n nh\u1ea7m.<\/li>\n\n\n\n<li><strong>Sao l\u01b0u c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7<\/strong>: N\u1ebfu t\u1ef1 host trang web, sao l\u01b0u c\u1ea5u h\u00ecnh Apache\/Nginx v\u00e0 ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1ecbch v\u1ee5 ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<\/ul>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"V_Tong_ket\"><\/span><strong>V. T\u1ed5ng k\u1ebft<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>L\u1ed7i ERR_CONNECTION_REFUSED c\u00f3 th\u1ec3 g\u00e2y gi\u00e1n \u0111o\u1ea1n tr\u1ea3i nghi\u1ec7m tr\u1ef1c tuy\u1ebfn, nh\u01b0ng b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c nhanh ch\u00f3ng b\u1eb1ng c\u00e1ch tr\u00ean. Vi\u1ec7c n\u1eafm r\u00f5 nguy\u00ean nh\u00e2n, t\u1eeb v\u1ea5n \u0111\u1ec1 m\u00e1y ch\u1ee7 \u0111\u1ebfn DNS kh\u00f4ng \u1ed5n \u0111\u1ecbnh, c\u00f9ng v\u1edbi c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u00e1nh nh\u01b0 c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m th\u01b0\u1eddng xuy\u00ean, s\u1ebd \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i internet m\u01b0\u1ee3t m\u00e0 v\u00e0 \u1ed5n \u0111\u1ecbnh. <\/p>\n\n\n\n<p>N\u1ebfu v\u1eabn g\u1eb7p kh\u00f3 kh\u0103n, h\u00e3y li\u00ean h\u1ec7 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 ho\u1eb7c mang thi\u1ebft b\u1ecb \u0111\u1ebfn trung t\u00e2m uy t\u00edn nh\u01b0 <a href=\"https:\/\/phongvu.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\">Phong V\u0169<\/a> \u0111\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 s\u1eeda ch\u1eefa chuy\u00ean nghi\u1ec7p. Theo d\u00f5i Phong V\u0169 Tech News \u0111\u1ec3 c\u1eadp nh\u1eadt th\u00eam nhi\u1ec1u m\u1eb9o c\u00f4ng ngh\u1ec7 h\u1eefu \u00edch v\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u cho thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n!<\/p>\n\n\n\n<p><strong>B\u00e0i vi\u1ebft li\u00ean quan:<\/strong><\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/google-chrome-ngon-ram\/\" target=\"_blank\" rel=\"noreferrer noopener\">V\u00ec sao Google Chrome ng\u1ed1n RAM tr\u00ean m\u00e1y t\u00ednh? H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/tao-video-asmr-cat-trai-cay-bang-veo-3\/\" target=\"_blank\" rel=\"noreferrer noopener\">C\u00e1ch t\u1ea1o video ASMR c\u1eaft tr\u00e1i c\u00e2y b\u1eb1ng Veo 3 hot trend g\u1ea7n \u0111\u00e2y<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-ket-noi-loa-voi-tivi-qua-bluetooth\/\" target=\"_blank\" rel=\"noreferrer noopener\">C\u00e1ch k\u1ebft n\u1ed1i loa v\u1edbi tivi qua Bluetooth chi ti\u1ebft m\u1edbi nh\u1ea5t<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u0110ang l\u01b0\u1edbt web th\u00ec g\u1eb7p th\u00f4ng b\u00e1o\u00a0l\u1ed7i ERR_CONNECTION_REFUSED? \u0110\u1eebng lo, \u0111\u00e2y l\u00e0 m\u1ed9t l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u01b0ng c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c.<\/p>\n","protected":false},"author":32,"featured_media":135195,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[24,1029],"tags":[],"_links":{"self":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/135188"}],"collection":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/users\/32"}],"replies":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/comments?post=135188"}],"version-history":[{"count":4,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/135188\/revisions"}],"predecessor-version":[{"id":136730,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/135188\/revisions\/136730"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media\/135195"}],"wp:attachment":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media?parent=135188"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/categories?post=135188"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/tags?post=135188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}